Home / 27,170.60-40,727.12-9,141.66

Finding the Fourth Proportional to 27,170.60, 40,727.12 and 9,141.66

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Solution

The fourth proportional to 27,170.60, 40,727.12 and 9,141.66 is: 13,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.60 : 40,727.12 = 9,141.66 : x
  2. Step 2: Convert to fraction form
    27,170.60/40,727.12 = 9,141.66/x
  3. Step 3: Cross multiply
    27,170.60x = 40,727.12 × 9,141.66
  4. Step 4: Simplify right side
    27,170.60x = 372,313,483.82
  5. Step 5: Solve for x
    x = 372,313,483.82/27,170.60
  6. Step 6: Final answer
    x = 13,702.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.